Tetra 9 lærerveiledning, kapittel 1

Tetra 9. Innled. + Kap 1. 1-61 16.10.06 15:00 Side 45
Arbeidsark 1:9
Å rekne med negative tal
1 a) 14 + (–8) = b) 32 + (–15) =
2 a) 25 – (–14) = b) 89 – (–16) =
3 a) –52 + (–24) = b) –45 + (–23) =
4 a) –24 – ( –32) = b) –65 – (–32) =
5 a) 17 – (–12) = b) –18 – (–8) =
6 a) 5 · (–3) = b) (–5) · (–3) = c) 8 · (–5) =
7 a) (–8) · (–4) = b) 6 · (–7) = c) (–6) · (–5) =
8 a) (–2) 2 = b) (–2) 3 = c) (–2) 4 =
9 a) (–12) : 4 = b) (–49) : (–7) = c) 36 : (–4) =
10 a) (–18) : (–2) = b) 56 : (–8) = c) (–60) : 12 =
11 a) 8 · (–8) + (–80) : 10 – (–80) = b) 12 · (–3) – 16 : (–2) +12 =
12 a) 150 : (–3) + (–6 ) · (–4) –12 = b) 16 + (–10 ) + 2,5 · (–3) – (–8) : 4 =
13 a) (–36) : (–12) + 65 : (–13) + (–5) 2 = b) 7 : (–0,1) + 0,1 · (–82) – (–200) =
© Tetra 9 Det Norske Samlaget
NYNORSK
Tal og algebra 45
K 1